A noxious weed is one that can be injurious to peoples health. The pollen or spores of some noxious plants cause allergic reactions in susceptible people.
most of the time nuisance weed/pot/ganja/marijuana/dubidge/etc. is the crap weed, and you don't want that, its a nuisance, like a pain in the a$$ like you gotta clean and scrape the seeds out your...
Cannabis will not typically produce any effects if eaten raw. Mixing grounds buds into brownie batter will help, but the best approach is to make cannabis butter first before making the brownie...
First, let the weed crimple and die completely. Then, Rake them up and throw away. note- If using the correct weed killer they should be very easy to rake up.